#VU31760 Buffer overflow in Huawei P30 Pro - CVE-2020-9257

Vulnerability identifier: #VU31760

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-9257

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Huawei P30 Pro
Client/Desktop applications / Multimedia software

Vendor: Huawei

Description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A local attacker can trick a vicitm to install a malicious application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei P30 Pro: before 10.1.0.123

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200715-03-smartphone-en

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.